CLF-C02 Billing, Pricing & Support Models 2 — Questions and Answers
Question 1: Which AWS tool provides a centralized view of billing and usage across multiple AWS accounts in an organization?
- AWS Cost Explorer
- AWS Budgets
- AWS Organizations with Consolidated Billing (Correct answer)
- AWS Trusted Advisor
Correct answer: AWS Organizations with Consolidated Billing
AWS Organizations with Consolidated Billing aggregates charges from all member accounts into a single payer account, simplifying billing management.
Question 2: A company wants to receive an alert when their monthly AWS spend exceeds $500. Which service should they use?
- AWS Cost Explorer
- AWS Budgets (Correct answer)
- AWS Pricing Calculator
- AWS Trusted Advisor
Correct answer: AWS Budgets
AWS Budgets allows you to set custom cost thresholds and sends alerts via email or SNS when actual or forecasted costs exceed the defined budget.
Question 3: Which EC2 pricing model provides the highest potential discount but can be interrupted by AWS with a two-minute warning?
- Reserved Instances
- Savings Plans
- Spot Instances (Correct answer)
- Dedicated Hosts
Correct answer: Spot Instances
Spot Instances can provide up to 90% discount compared to On-Demand pricing but AWS can reclaim them when capacity is needed, with a two-minute interruption notice.
Question 4: What is the primary benefit of purchasing an AWS Compute Savings Plan compared to EC2 Instance Savings Plans?
- Higher discounts up to 72%
- Flexibility across EC2, Lambda, and Fargate (Correct answer)
- No minimum commitment period
- Free support plan included
Correct answer: Flexibility across EC2, Lambda, and Fargate
Compute Savings Plans offer flexibility to apply discounts across EC2 instances of any family, size, or OS, as well as AWS Lambda and AWS Fargate.
Question 5: Which AWS Support plan is the minimum tier that provides access to AWS Trusted Advisor full checks?
- Basic
- Developer
- Business (Correct answer)
- Enterprise
Correct answer: Business
The Business support plan is the minimum tier that provides access to all Trusted Advisor checks, whereas Basic and Developer plans have limited check access.
Question 6: A company has purchased 3-year Reserved Instances but no longer needs the capacity. What can they do with unused RIs?
- Return them to AWS for a full refund
- Sell them on the AWS Reserved Instance Marketplace (Correct answer)
- Convert them to Spot Instances
- Transfer them to another AWS Region for free
Correct answer: Sell them on the AWS Reserved Instance Marketplace
Unused Reserved Instances can be sold to other AWS customers through the Reserved Instance Marketplace, allowing some cost recovery.
Question 7: Which AWS pricing principle describes the reduction in per-unit cost as usage increases?
- Pay-as-you-go
- Save when you reserve
- Volume-based discounts (tiered pricing) (Correct answer)
- Free tier pricing
Correct answer: Volume-based discounts (tiered pricing)
AWS uses tiered pricing for services like S3 and data transfer, where the per-unit cost decreases as cumulative usage crosses higher volume thresholds.
CLF-C02 Billing, Pricing & Support Models 2
Which AWS tool provides a centralized view of billing and usage across multiple AWS accounts in an organization?